var atual = 0;
var imgs = new Array();
var timer;
var interval = 5000;

window.addEventListener?window.addEventListener("load",init,false):window.attachEvent("onload",init);

function init(){
	imgs = document.getElementById('banner').getElementsByTagName('img');
	for (i=0;i<imgs.length;i++) { imgs[i].display = "none"; }
	imgs[0].style.display = "block";
	
	if (imgs.length > 1){
		timer = setTimeout("dissolve(atual)",interval);
	}

}


function dissolve(proximo){

   if (proximo==atual){
		if (proximo+1 > imgs.length-1){ proximo = 0;  }
		else { proximo++; }
   }

   $(document.getElementById('im_' + atual)).fadeOut(1000, function() {});
   $(document.getElementById('im_' + proximo)).fadeIn(1000, function(){});

   atual = proximo;

   timer = setTimeout("dissolve("+atual+")",interval);

}